Transitional image for a portion of a display screen



FIG. 1 is a front view of the first image in the sequence for a transitional image for a portion of a display screen showing our new design;

FIG. 2 is a front view of the second image thereof;

FIG. 3 is a front view of the third image thereof;

FIG. 4 is a front view of the fourth image thereof;

FIG. 5 is a front view of the fifth image thereof;

FIG. 6 is a front view of the sixth image thereof; and,

FIG. 7 is a front view of the seventh image thereof.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-7. The process or period in which one image changes into another forms no part of the claimed design. The broken lines within the image are for illustrative purposes only and form no part of the claimed design. The broken line showing of a portion of a display screen in all views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a transitional image for a portion of a display screen, as shown and described. 